海船船员考试
单选题The heat removed from the refrigerant in the condenser of a refrigeration plant is the （）A latent heat of expansionB sensible heat of condensationC heat of compressionD all of the above
题目
latent heat of expansion
sensible heat of condensation
heat of compression
all of the above
相似问题和答案
第1题：
If the superheat value of a thermostatic expansion valve is set too low, the _.
A.the suction line will be abnormally cold and liquid may slug back to the compressor
B.the suction line will be hot due to a reduced amount of refrigerant returning to the compressor
C.the temperature of the refrigerant within the condenser will remain the same
D.the temperature of the refrigerant passing through the sub-cooler will decrease
第2题：
The heat gained per pound of refrigerant in the evaporator is known as the ______.
A.latent heat of vaporization
B.sensible heat
C.refrigerating effect
D.specific heat of vaporization
第3题：
Moisture is removed from a refrigeration system by
A.bleeding refrigerant from the condenser
B.opening a drain petcock on the oil separator
C.condensing the water in the heat exchanger
D.using a dehydrator cartridge
第4题：
extracts
releases
gives no
absorbs no
第5题：
dry
wet
super-cooled
superheated
第6题：
Which of the following problems could cause the high pressure cutout switch to shut down the compressor in a refrigeration system?
A.A shortage of liquid refrigerant.
B.Excessive frost on the evaporator.
C.Excessive condenser cooling water.
D.Insufficient condenser cooling water flow.
第7题：
insufficient condenser cooling water
excessive condenser cooling water
air in the refrigeration system
excessive refrigerant in the system
第8题：
The temperature of the refrigerant in the evaporator coil depends mostly upon the ___.
A.refrigerant pressure in the evaporator
B.cooling water temperature to the condenser
C.heat load in the refrigerator compartment
D.solenoid valve in the liquid line
第9题：
high pressure liquid
low pressure vapor
high pressure vapor
low pressure liquid
第10题：
to increase the system efficiency by sensible heat transfer
to stop the liquid from flashing
to reduce the load on the compressor
to remove latent heat of vaporization and the suction piping transfer